FreeBSD : dovecot -- abort of SASL authentication results in a memory leak (92b8b284-a3a2-41b1-956c-f9cf8b74f500)

high Nessus Plugin ID 106426

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Pedro Sampaio reports :

A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. A abort of SASL authentication results in a memory leak in Dovecot auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 106426

File Name: freebsd_pkg_92b8b284a3a241b1956cf9cf8b74f500.nasl

Version: 1.7

Type: local

Family: FreeBSD Local Security Checks

Published: 1/29/2018

Updated: 10/31/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2017-15132

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:dovecot, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 1/26/2018

Vulnerability Publication Date: 1/9/2018

Reference Information

CVE: CVE-2017-15132

Detections

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